Overview
ISO/IEC 24800-5:2011 specifies a standardized data interchange format for exchanging image collections and associated metadata between JPSearch-compliant image repositories. The standard enables repository synchronization across devices and platforms by defining an XML-based descriptor format (with an optional BiM binary encoding) and rules for embedding or referencing image resources (JPEG, JPEG 2000, or JPSearch Part 4 codestreams). Primary goals include reliable transfer, metadata consolidation, migration to new systems, centralization of selected data, and long-term archiving.
Key Topics and Requirements
- File format: Collection-level and item-level metadata are encapsulated into a single, valid XML descriptor following the JPSearch interchange schema. Binary MPEG format for XML (BiM) is supported as an optional compact representation.
- Resource handling: Only JPEG, JPEG 2000, and JPSearch-conforming codestreams may be used as internal or external resources. Internal image data may be stored in
InlineMedia (ImageDataType); external images are referenced via MediaUri or ImageDataType.
- Schema and metadata: Defines XML schemas for both collections and image repository metadata:
- Root elements include Collections and ImageRepository.
- CollectionType and related types express identifiers (URI), creators/modifiers, creation/modification dates, descriptions, keywords, titles, and links to other collections or tracks.
- Interoperability: Uses existing standards as normative references (e.g., MPEG-7, BIF/ISO/IEC 23001-1, XML, JPEG/ISO image formats) to ensure compatibility across implementations.
- Extensibility: Schema wrappers and namespace conventions allow integration of JPSearch core metadata and collection schemas.
Applications and Who Uses It
ISO/IEC 24800-5 is practical for organizations that manage large image collections and need interoperable exchange and long-term preservation:
- Digital asset management (DAM) and media repository vendors implementing JPSearch-compliant import/export.
- Archivists and librarians consolidating or migrating image collections between systems.
- Enterprises and museums synchronizing distributed image repositories across devices and platforms.
- Developers and integrators building tooling for repository synchronization, metadata consolidation, or centralized archival exports.
Typical use cases include repository synchronization, metadata consolidation across heterogeneous systems, platform migration, centralized aggregation of selected assets, and archival packaging in a format intended to outlive current products.
Related Standards
Keywords: ISO/IEC 24800-5:2011, JPSearch, data interchange format, image repositories, metadata, XML, BiM, JPEG, JPEG 2000, repository synchronization, MPEG-7.